Choose the correct answer. if two lines intersect at right angles, they are

a) statistics

b) proportions

c) parallel

d) perpendicular

State one method by which you can recognize a perfect square trinomial.

Explain how you could use the interactive table to tell if sets of points are on the same line. math 8

Francis is getting new carpet tiles in his living room and den. his living room and den are connected. he needs to figure out how much carpet he needs and the cost involved. if each tile costs $2.00 per sq ft, how much would it cost to have new tile put in the den? a) $24 b) $36 c) $48 d) $54 plz awnser soon